CVE-2026-1420

HIGH
2026-01-26 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:00 vuln.today
PoC Detected
Jan 28, 2026 - 14:44 vuln.today
Public exploit code
CVE Published
Jan 26, 2026 - 06:16 nvd
HIGH 8.8

Description

A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Analysis

Unauthenticated attackers can trigger a buffer overflow in Tenda AC23 firmware version 16.03.07.52 through the wpapsk_crypto parameter in /goform/WifiExtraSet, enabling remote code execution with full system compromise. Public exploit code is available and actively used in the wild, yet no patch has been released by the vendor. …

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Remediation

Within 24 hours: Identify and inventory all Tenda AC23 devices running firmware 16.03.07.52 across the organization; restrict administrative access to affected devices to trusted networks only. Within 7 days: Implement network segmentation to isolate affected routers from critical systems; enable enhanced monitoring and logging on these devices; evaluate replacement equipment from alternative vendors. …

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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: +20

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CVE-2026-1420 vulnerability details – vuln.today

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